306441424240 has 40 divisors (see below), whose sum is σ = 814258643040. Its totient is φ = 105065630976.

The previous prime is 306441424213. The next prime is 306441424249. The reversal of 306441424240 is 42424144603.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 306441424196 and 306441424205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306441424249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273607855 + ... + 273608974.

It is an arithmetic number, because the mean of its divisors is an integer number (20356466076).

Almost surely, 2^306441424240 is an apocalyptic number.

It is an amenable number.

306441424240 is an abundant number, since it is smaller than the sum of its proper divisors (507817218800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306441424240 is a wasteful number, since it uses less digits than its factorization.

306441424240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547216849 (or 547216843 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 306441424240 its reverse (42424144603), we get a palindrome (348865568843).

The spelling of 306441424240 in words is "three hundred six billion, four hundred forty-one million, four hundred twenty-four thousand, two hundred forty".